Home / 90,457.66-135,577.50-33,486.04

Finding the Fourth Proportional to 90,457.66, 135,577.50 and 33,486.04

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Solution

The fourth proportional to 90,457.66, 135,577.50 and 33,486.04 is: 50,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,457.66 : 135,577.50 = 33,486.04 : x
  2. Step 2: Convert to fraction form
    90,457.66/135,577.50 = 33,486.04/x
  3. Step 3: Cross multiply
    90,457.66x = 135,577.50 × 33,486.04
  4. Step 4: Simplify right side
    90,457.66x = 4,539,953,588.10
  5. Step 5: Solve for x
    x = 4,539,953,588.10/90,457.66
  6. Step 6: Final answer
    x = 50,188.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.